Simonne used the following steps to simplify the given expression.
12 - 3(-2x + 4)
step 1: 12 + (–3)·(–2x) + (–3)·(4)
step 2: 12 + 6x + (–12)
step 3: 12 + (–12) + 6x
step 4: 0 + 6x
step 5: 6x
what property of real numbers was used to transition from step 3 to step 4?

In two or more complete sentences, formulate how to use technology to calculate the appropriate regression model for the given data. you are not required to find the model, just choose the appropriate regression and explain how to use the technology. (-5,,2.,0.8), (0,-0.5), (2,-1.3), (3,-0.8), (5,2)

11. minitab software was used to find the lsrl for a study between x=age and y=days after arthroscopic shoulder surgery until an athlete could return to their sport. use the output to determine the prediction model and correlation between these two variables. predictor coef se coef t p constant -5.054 4.355 -1.16 0.279 age 0.2715 0.1427 1.9 0.094 r-sq = 31.16%

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?